Before starting the testnet, you'll need to stock up on test ETH on Sepolia.
Use the following faucets to obtain it: 1, 2, 3, 4.
Guide:
▫️ Add the testnet on the website
▫️ On the same page, click on Bridge Assets and copy the JSON
▫️ Now head to the bridge, turn on Developer Mode in Settings and paste the JSON in the provided field, then click Add Chain.
▫️ Bridge ETH from Sepolia to Espresso